:root {
  --bg: #ffffff;
  --ink: #111111;
  --text: #333333;
  --muted: #6f6f6f;
  --line: #eaeaea;
  --soft-line: #f1f1f1;
  --shadow: 0 18px 48px rgba(17, 17, 17, 0.08);
  --sans: "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --shell: 1656px;
  --gutter: 36px;
  --header-height: 92px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 18px;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
blockquote {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shell {
  width: min(calc(100% - (var(--gutter) * 2)), var(--shell));
  margin-inline: auto;
}

.section {
  background: var(--bg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background:#ffffff;
  border-bottom: 1px solid rgba(234, 234, 234, 0);
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.04);
}

.nav {
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  min-height: var(--header-height);
  gap: 28px;
  border: 1px solid var(--line);
  border-top: 0;
  padding: 0 40px;
  background: rgba(255,255,255,.84);
}

.brand,
.footer__brand {
  display: inline-flex;
  align-items: center;
}

.brand__logo {
  width: 172px;
  transition: width .25s ease;
}

.nav__menu {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 56px;
}

.nav__menu a,
.footer__links a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  letter-spacing:.02em;
  transition: opacity 160ms ease;
}

.nav__menu a:hover,
.footer__links a:hover,
.text-link:hover,
.arrow-link:hover {
  opacity: 0.58;
}

.nav__toggle {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
  box-shadow: var(--shadow);
  transition: transform 160ms ease, opacity 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button svg path:nth-child(2) {
  fill: currentColor;
  stroke: none;
}

.button--small {
  min-height: 48px;
  padding: 0 24px;
  font-size: 14px;
  border-radius: 7px;
}

.hero {
    min-height:calc(100vh - var(--header-height));
    display:flex;
    align-items:center;
    padding:52px 0 72px;
}

.hero__grid {
    display:grid;
    grid-template-columns:1.05fr .95fr;
    align-items:center;
    column-gap:90px;
}

.hero__copy {
    max-width:560px;
    transform: translateY(-18px);
}

.hero h1 {
    max-width:560px;
    font-family:var(--serif);
    font-size:clamp(78px,5vw,94px);
    line-height:.92;
    font-weight:400;
    letter-spacing:-0.035em;
    margin:0;
    color:var(--ink);
}

.hero__copy p {
    margin-top:26px;
    max-width:460px;
    font-size:19px;
    line-height:1.85;
    color:var(--text);
}

.hero__actions {
    display:flex;
    align-items:center;
    gap:26px;
    margin-top:40px;
}

.text-link,
.arrow-link {
display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #444;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  transition: color 160ms ease, opacity 160ms ease;
}

.text-link span {
  font-size: 20px;
  line-height: 1;
}

.timeline {
  position: relative;
  display: grid;
  justify-self: end;
  width: 635px;
  padding: 12px 0 18px;
  margin-top:62px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 42px;
  left: 168px;
  width: 2px;
  background:#d7d7d7;
}

.timeline::after {
  content: "";
  position: absolute;
  left: 166px;
  bottom: 35px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #a8a8a8;
  box-shadow: 0 16px 0 #a8a8a8, 0 32px 0 #a8a8a8;
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 105px 126px minmax(0, 1fr);
  align-items: center;
  min-height: 76px;
}

.timeline__item--today {
  min-height: 90px;
}

.timeline__item--future {
  min-height: 112px;
  align-items: start;
  padding-top: 18px;
}

.timeline__year {
  color: #666;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-align: right;
  letter-spacing:.04em;
}

.timeline__icon {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  justify-self: center;
  width: 56px;
  height: 56px;
  border: 1px solid #d9d9d9;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 8px 24px rgba(17, 17, 17, 0.04);
}

.timeline__item--today .timeline__icon {
  border-color: #dcdcdc;
}

.timeline__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.timeline__body {
  padding-left: 10px;
}

.timeline__body h3 {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
}

.timeline__body p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.timeline__body blockquote {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
  line-height: 1.24;
}

.features {
  padding: 0;
}

.features .shell {
  border: 1px solid var(--line);
  padding: 70px 76px 92px;
}

.section-title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(38px, 2.7vw, 54px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.05;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 30px;
}

.feature {
  position: relative;
  min-height: 128px;
  padding: 0 31px;
  text-align: center;
}

.feature + .feature {
  border-left: 1px solid #dddddd;
}

.feature svg {
  width: 32px;
  height: 32px;
  margin: 0 auto 34px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature h3 {
  color: var(--ink);
  font-size: 14px;
  font-weight: 780;
  line-height: 1.2;
}

.feature p {
  margin-top: 25px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.85;
}

.context {
  padding: 24px 0;
}


  display: grid;
  grid-template-columns: minmax(420px, 0.82fr) minmax(640px, 1.18fr);
  min-height: 402px;
  border: 1px solid var(--line);
  padding: 70px 58px 58px 50px;
}

.context__copy {
  a.context__grid {lign-self: center;
  padding-left: 0;
}

.eyebrow {
  color: var(--ink);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 3px;
  line-height: 1;
}

.context h2 {
  max-width: 534px;
  margin-top: 25px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(39px, 2.85vw, 58px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.03;
}

.context__copy > p:not(.eyebrow) {
  max-width: 468px;
  margin-top: 30px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

.context .arrow-link {
  margin-top: 40px;
  font-size: 16px;
}

.context .arrow-link span,
.privacy-card__link span {
  font-size: 24px;
  line-height: 0.8;
}

.graph {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(100%, 725px);
  max-width: 725px;
  margin: 0 auto;
  aspect-ratio: 620 / 430;
}

.graph__lines {
  position: absolute;
  inset: 7% 5% 2% 7%;
  width: 88%;
  height: 88%;
}

.graph__center {
  position: absolute;
  top: 49%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 61px;
  height: 61px;
  border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.12);
}

.graph__center img {
  width: 21px;
  filter: invert(1);
}

.graph-node {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 760;
  line-height: 1;
}

.graph-node div {
  display: grid;
  place-items: center;
  width: 57px;
  height: 57px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 10px 28px rgba(17,17,17,.06);
}

.graph-node svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.graph-node--family {
  top: -15px;
  left: 49.5%;
  transform: translateX(-50%);
}

.graph-node--friends {
  top: 75px;
  left: 10%;
}

.graph-node--travel {
  top: 62px;
  right: 6%;
}

.graph-node--work {
  top: 214px;
  right: -1%;
}

.graph-node--places {
  right: 14%;
  bottom: -10px;
}

.graph-node--ideas {
  left: 30%;
  bottom: -24px;
}

.graph-node--pets {
  left: 7%;
  bottom: 85px;
}

.privacy {
  padding: 24px 0;
}

.privacy .shell {
  border: 1px solid var(--line);
  padding: 12px 26px;
}

.privacy-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 33px;
  min-height: 111px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 48px;
}

.privacy-card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
}

.privacy-card__icon svg {
  width: 42px;
  height: 42px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.privacy-card h2 {
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
}

.privacy-card p {
  margin-top: 11px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.2;
}

.privacy-card p + p {
  margin-top: 13px;
}

.privacy-card strong {
  color: var(--ink);
  font-weight: 800;
}

.privacy-card__link {
  white-space: nowrap;
  font-size: 16px;
}

.site-footer {
  padding: 24px 0 36px;
  background: var(--bg);
}

.footer__inner {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  align-items: center;
  gap: 70px;
  min-height: 135px;
  border: 1px solid var(--line);
  padding: 0 58px;
}

.footer__brand img {
  width: 178px;
}

.footer__inner p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 47px;
}

.footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer__social svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 1400px) {
  :root {
    --gutter: 28px;
    --header-height: 112px;
  }

  .nav {
    padding: 0 40px;
    grid-template-columns: 220px 1fr auto;
  }

  .nav__menu {
    gap: 38px;
  }

  .hero__grid {
    padding: 24px 54px 24px 70px;
    grid-template-columns: minmax(350px, 0.9fr) minmax(520px, 1.1fr);
    column-gap:80px;
  }

  .timeline {
    width: 570px;
  }

  .context__grid {
    grid-template-columns: minmax(380px, 0.85fr) minmax(560px, 1.15fr);
  }
}

@media (max-width: 1180px) {
  .nav {
    grid-template-columns: 190px auto auto;
    gap: 24px;
    padding: 0 30px;
  }

  .brand__logo,
  .footer__brand img {
    width: 160px;
  }

  .nav__menu {
    gap: 24px;
  }

  .nav__menu a {
    font-size: 13px;
  }

  .hero__grid,
  .context__grid {
    grid-template-columns: 1fr;
  }

  .hero__grid {
    gap: 54px;
    padding: 68px;
  }

  .timeline {
    justify-self: center;
    width: min(100%, 635px);
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 52px;
  }

  .feature:nth-child(4) {
    border-left: 0;
  }

  
    gap: 48px;
    padding: 68px 58px 78px;
  }

  .graph {
    justify-self: center;
    width: min(100%, 700px);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 24px;
    padding: 34px 40px;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: 24px 38px;
  }
}

@media (max-width: 860px) {
  :root {
    --gutter: 18px;
    --header-height: 82px;
  }

  .nav {
    position: relative;
    grid-template-columns: 1fr auto;
    min-height: var(--header-height);
    padding: 0 22px;
  }

  .brand__logo,
  .footer__brand img {
    width: 148px;
  }

  .nav__toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    width: 44px;.context__grid {
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--bg);
    color: var(--ink);
    cursor: pointer;
  }

  .nav__toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1px;
    margin-inline: auto;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(4px) rotate(45deg);
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .nav__menu {
    position: absolute;
    top: calc(100% - 1px);
    right: -1px;
    left: -1px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border: 1px solid var(--line);
    background: var(--bg);
    padding: 18px 22px;
  }

  .nav__menu.is-open {
    display: flex;
  }

  .nav__menu a {
    width: 100%;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .nav__menu a:last-child {
    border-bottom: 0;
  }

  .nav__cta {
    display: none;
  }

  .hero {
    padding-top: 25px;
  }

  .hero__grid {
    min-height: 0;
    gap: 46px;
    padding: 54px 26px 50px;
  }

  .hero h1 {
    font-size: clamp(52px, 13vw, 68px);
  }

  .hero__copy p {
    font-size: 12px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline {
    width: 100%;
  }

  .timeline::before {
    left: 104px;
  }

  .timeline::after {
    left: 102px;
  }

  .timeline__item {
    grid-template-columns: 64px 82px minmax(0, 1fr);
    min-height: 84px;
  }

  .timeline__icon {
    width: 49px;
    height: 49px;
  }

  .features .shell {
    padding: 56px 28px 64px;
  }

  .section-title {
    font-size: 38px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 58px;
    row-gap: 44px;
  }

  .feature,
  .feature:nth-child(4) {
    border-left: 0;
  }

  .feature:nth-child(even) {
    border-left: 1px solid #dddddd;
  }

  .feature {
    padding: 0 18px;
  }

  .context__grid {
    padding: 54px 26px 84px;
  }

  .context h2 {
    font-size: 40px;
  }

  .graph {
    width: 100%;
    min-height: 430px;
    transform: scale(0.92);
    transform-origin: center top;
  }

  .privacy .shell {
    padding: 10px;
  }

  .privacy-card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 22px;
    padding: 28px 24px;
  }

  .privacy-card__link {
    grid-column: 1 / -1;
    margin-top: 10px;
  }
}

@media (max-width: 560px) {
  .hero__grid {
    padding-inline: 20px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero__copy p {
    font-size: 16px;
    padding-top: 20px;
  }

  .button {
    width: 100%;
    min-height: 46px;
  }

  .timeline::before {
    left: 78px;
  }

  .timeline::after {
    left: 76px;
  }

  .timeline__item {
    grid-template-columns: 50px 58px minmax(0, 1fr);
    column-gap: 0;
  }

  .timeline__year {
    font-size: 10px;
  }

  .timeline__icon {
    width: 43px;
    height: 43px;
  }

  .timeline__icon svg {
    width: 21px;
    height: 21px;
  }

  .timeline__body h3,
  .timeline__body p {
    font-size: 12px;
  }

  .timeline__body blockquote {
    font-size: 16px;
  }

  .section-title,
  .context h2 {
    font-size: 33px;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature p {
    font-size: 13px;
  }

  .graph {
    min-height: 340px;
    width: 100%;
    max-width: 330px;
    margin: 20px auto 0;
    transform: scale(.72);
    transform-origin: center top;
  }

  .privacy-card {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    padding: 30px 22px;
  }

  .footer__links {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 24px;
  }
}